20020539

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7879}}^1$

素因数の和:7911

約数の個数: 24

約数和(自身を含む): 33537280

約数和(自身を除く): 13516741

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 7879, 23637, 55153, 86669, 165459, 260007, 606683, 953359, 1820049, 2860077, 6673513, 20020539]

約数ペア:

[(1, 20020539), (3, 6673513), (7, 2860077), (11, 1820049), (21, 953359), (33, 606683), (77, 260007), (121, 165459), (231, 86669), (363, 55153), (847, 23637), (2541, 7879)]